NB: Of course, The 1440p display work well on a standard PC and the 6640 SBC work well with a 1080p display.I can attach the full logcat if needed.Device Build number is : msm8996-userdebug 7.0 IFC-6640-Nougat-Relv-2.0 eng.inforc.20170216.174459 test-keys